Electron drift properties in high pressure gaseous xenon

NEXT Collaboration: A. Sim\'on , R. Felkai , G. Mart\'inez-Lema , F. Monrabal , D. Gonz\'alez-D\'iaz , M. Sorel , J.A. Hernando Morata , J.J. G\'omez-Cadenas

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C. Adams V. \'Alvarez L. Arazi C.D.R. Azevedo J.M. Benlloch-Rodr\'iguez F.I.G.M. Borges A. Botas S. C\'arcel J.V. Carri\'on S. Cebri\'an C.A.N. Conde J. D\'iaz M. Diesburg J. Escada R. Esteve L.M.P. Fernandes P. Ferrario A.L. Ferreira E.D.C. Freitas J. Generowicz A. Goldschmidt R. Guenette R.M. Guti\'errez K. Hafidi J. Hauptman C.A.O. Henriques A.I. Hernandez V. Herrero S. Johnston B.J.P. Jones M.Kekic L. Labarga A. Laing P. Lebrun N. L\'opez-March M. Losada J. Mart\'in-Albo A. Mart\'inez A.D. McDonald C.M.B. Monteiro F.J. Mora J. Mu\~noz Vidal M. Musti M. Nebot-Guinot P. Novella D.R. Nygren B. Palmeiro A. Para J. P\'erez M. Querol J. Renner J. Repond S. Riordan L. Ripoll J. Rodr\'iguez L. Rogers C. Romo F.P. Santos J.M.F. dos Santos C. Sofka T. Stiegler J.F. Toledo J. Torrent J.F.C.A. Veloso R. Webb J.T. White N. Yahlali

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classification ⚛️ physics.ins-det hep-exnucl-ex

keywords driftbeendiffusionpressuredetectorgaseoushighnext-white

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Gaseous time projection chambers (TPC) are a very attractive detector technology for particle tracking. Characterization of both drift velocity and diffusion is of great importance to correctly assess their tracking capabilities. NEXT-White is a High Pressure Xenon gas TPC with electroluminescent amplification, a 1:2 scale model of the future NEXT-100 detector, which will be dedicated to neutrinoless double beta decay searches. NEXT-White has been operating at Canfranc Underground Laboratory (LSC) since December 2016. The drift parameters have been measured using $^{83m}$Kr for a range of reduced drift fields at two different pressure regimes, namely 7.2 bar and 9.1 bar. The results have been compared with Magboltz simulations. Agreement at the 5% level or better has been found for drift velocity, longitudinal diffusion and transverse diffusion.

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Electron drift properties in high pressure gaseous xenon

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